[Tcl-bugs] [ tktoolkit-Bugs-1615425 ] [tag add] segfaults if index out of range of peer

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Bugs item #1615425, was opened at 2006-12-13 17:48
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Category: 18. [text]
Group: development: 8.5a6
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Tim Baker (treectrl)
Assigned to: Jeffrey Hobbs (hobbs)
Summary: [tag add] segfaults if index out of range of peer

Initial Comment:
pack [text .t] -side top
.t insert end "1\n2\n3\n4\n5\n"
.t tag configure tagA -font {Courier 10 bold}
pack [.t peer create .t2 -startline 3] -side top
.t tag add tagA 1.0 1.end
update


Adding a tag to a range of characters before -startline of a peer causes a segfault.
I think this is because [tag add] calls TkTextRedrawTag() with non-NULL indices.

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